<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>3-jquery的顶级对象</title>
		<!-- 1.引入jquery库 -->
		<script type="text/javascript" src="js/jquery.min.js"></script>
	</head>
	<body>
		<script type="text/javascript">
			//jquery的顶级对象是$或者Jquery
			jQuery(function(){
				console.log('123');
			});
		</script>
	</body>
</html>
